Bruins head coach Bruce Cassidy wanted to give Rask an extra day of practice before getting him back between the pipes on Saturday night against Los Angeles.
"We're all in agreement, training staff, coach, player himself, that another practice tomorrow will be the best preparation for him to go in Saturday," Cassidy said following Thursday's morning skate at Warrior Ice Arena.
Rask took part in the optional pregame skate and tried to replicate his normal game-day routine as best as possible.
"It gives me a couple extra days of work," said Rask. "I'm gonna prepare like I'm playing tonight to get into the normal routine again. Practice tomorrow and get ready for Saturday.
"We've got three big games coming up so you figured Dobby's gonna play one of those anyways. I think it's fair that I get a couple extra days of work and I'll be more ready on Saturday."
With his symptoms subsided, Rask said his focus is now on conditioning.
"I felt good. No symptoms whatsoever," said Rask. "When you don't skate for four or five days it doesn't matter if you skate for five days or a month you have to get back in shape."
Cassidy also said defenseman Kevan Miller "looks good, so he should play" against the Sharks, but will remain a game-time decision.